Cameron's flagship EU referendum Bill hit by warning it is not legally binding and next government could just ignore it. 1  Tory plan to be debated on Friday but Labour and Lib Dems boycott vote. 2  James Wharton's backbench Bill promises a referendum by the end of 2017.
Photo: A lightning bolt is a huge release of static electricity, in which built-up electrical potential energy shoots from the sky to the ground in a sudden, improvised, electric current. Picture by David Parsons courtesy of US DOE/NREL (Department of Energy/National Renewable Energy Laboratory).
Static electricity and current electricity are like potential energy and kinetic energy. When electricity gathers in one place, it has the potential to do something in the future. Electricity stored in a battery is an example of electrical potential energy.